If you’re like us, most mornings you wake up with the Tetris theme song burned into your subconscious. As you slowly wake up, it’s like somebody is turning the knob on the volume. It slowly gets louder and louder until it bursts out of your mouth in a beautiful, groggy melody. But, when you need just a little bit more Tetris in your mornings, the Tetris Heat Changing Mug will do the trick. Caffeinate your body while you soothe your soul with an energizing, uplifting 8-bit tune.